Main Features
Sonia Violet is a ultrasonic module compatible with SONIA architecture designed to drive high frequency probes. This module has 1 UT channel with high bandwidth, intended for applications in the field of inspection of thin components, ultrasonic microscopy, materials characterization, etc…
![](https://ndt.tecnatom.es/wp-content/uploads/2022/06/Group-1.png)
- UT channel, single crystal probe.
- Pulse-echo technique.
- Bandwidth from 4 to 200 MHz (probes from 10 to 150 MHz).
- High speed negative spike pulser with two energy levels (low & high).
- High digital signal processing capabilities (filters, gates, signal types, etc…).
- 2 different electronic units: main unit and remote pulser-preamplifer, able to work underwater. The maximum cable length is 3 meters.
- Small size that permits to minimize the length of the transducers cables, digitizing the UT signal very close to the transducer. This implies lower UT signal distortion, attenuation and noise.
- Replace the analog communication lines by digital ones, immune to electromagnetic interferences (fiber optic), which means no signal distortion and/or noise in the transmitted signals and performance independent of installation layout.
- Low power consumption. The electronic boards are sealed in non ventilated rugged enclosure.
- Small size that permits to minimize the length of the transducers cables, digitizing the UT signal very close to the transducer. This implies lower UT signal distortion, attenuation and noise.
- Replace the analog communication lines by digital ones, immune to electromagnetic interferences (fiber optic), which means no signal distortion and/or noise in the transmitted signals and performance independent of installation layout.
- Low power consumption. The electronic boards are sealed in non ventilated rugged enclosure.
Technical Specifications
GENERAL
Electronics
Compatible with SONIA architecture
UT channels
1 High Frequency channel, single crystal probe
UT techniques
Pulse-echo (immersion)
PULSER
Type
Voltage
Width
Maximum PRF
Fall time
Rise time
Impedance
RECEIVER
Amplifier type
Input range
Bandwidth
Gain range
DIGITAL FUNCTIONS
A/D sampling rate
2 GSPS, 8 bits
Sampling decimation factor: 1 to 16
Gates
8 gates, max + 8 first echoes per gate.
1 gate for interface echo synchronization.
Signal modes
RF, Rectified (full, +/-)
A-scan length
32 Ksamples
Noise reduction filters
Averaging
Anti-impulsive noise
Post-Rect smoothing filter
0 to 100% smoothing level control
Other digital functions
Real time alarms associated to echoes in gates.
Signal inversion.
Signal compression factor up to 64.
OTHERS
UT connectors
16 x LEMO 00 coaxial connectors
(8 T/R + 8 R connectors)
(8 T/R + 8 R connectors)
General I/O
4 digital inputs, 2 digital output (up to 24 V) optocoupled.
Fiber optic port
LC-Duplex optical connector (1 Gbit full-duplex)
Dimensions
Remote P/R: 50 x 50 x 32 mm (weight 150g).
Main unit: 175 x 115 x 64 mm. mm (weight 950 g).
Power
24 Vdc, 1 A max (11W typ)
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